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John R. Cheregi, M.D.

NPI 1760632384ActiveIndividual· Surgery· Barrington, IL

Surgery (M.D.) with Advanced Surgical Care of Northern Illinois, Ltd, practicing in Barrington, Illinois. 82 Medicare patients in 2024, $33,627 paid; all of their 68 Part D prescriptions were generic. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $662.12 in all, mostly food and beverage. Lists Advocate Condell Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1760632384
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 19, 2008
Last updated in NPPESJan 4, 2022
Certified by providerJan 4, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000X036124623IL
Surgery208600000X36-3196629IL
Surgery208600000X40391IA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - General Surgery (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients82
Services billed192 across 29 procedure codes
Paid by Medicare$33,627

Part D prescriptions in 2024

Prescriptions (claims)68 · 93 30-day fills
Patients19
Total drug cost$506.76
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year2007
Medicare specialtyGeneral Surgery

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$662.12 · 12 payments from 4 companies
  • 2024$3,171 · 17 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$302.413
Intuitive Surgical, Inc.$189.631
Novo Nordisk Inc$156.447
Impedimed, Inc.$13.641

What the 2025 payments were for

  • Food and Beverage$472.49 · 11 payments
  • Education$189.63 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Surgery providers in Barrington

All Surgery providers in Illinois →